How to Update the BIOS in a Toshiba

The BIOS (basic input/output system) is the software that initiates the operating system, such as Microsoft Windows, in a PC. PC administrators rarely need to enter the BIOS or make any changes to the settings. After the PC is powered on, the BIOS kicks in, but PC users see few signs that it is playing such a vital role by invoking the operating system. Like all software, the BIOS must undergo periodic updates due to changes in hardware and software for performance and security issues. Toshiba regularly publishes and releases those updates via the company's website.


    • 1

      Download and save the BIOS update from the "Toshiba Support--Homepage" webpage to your hard drive (see Resources for a download link). Choose the update that matches your family name and model number. For example, for Toshiba's "Satellite L505D-LS5003," "Satellite" is the family and "L505D-LS5003" is the model.

    • 2

      Save any documents or projects that you have open in their respective programs, and then exit those programs.

    • 3

      Double-click on the saved BIOS update file to begin the update.

    • 4

      Monitor the computer screen while the BIOS automatically updates your Toshiba PC. Read and respond to any instructions that show on the screen. Be prepared for a system restart.

Tips & Warnings

  • Your Toshiba PC's family name and model number are labeled on a sticker on the underside of the machine.
  • Avoid shutting down the computer or working on other activities in the middle of a BIOS update, as your computer may become impaired.
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  • Photo Credit motherboard image by Valentin Mosichev from

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